Home / 6,386,742.28-8,812,388.64-3,669,963.40

Finding the Fourth Proportional to 6,386,742.28, 8,812,388.64 and 3,669,963.40

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Solution

The fourth proportional to 6,386,742.28, 8,812,388.64 and 3,669,963.40 is: 5,063,793.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386,742.28 : 8,812,388.64 = 3,669,963.40 : x
  2. Step 2: Convert to fraction form
    6,386,742.28/8,812,388.64 = 3,669,963.40/x
  3. Step 3: Cross multiply
    6,386,742.28x = 8,812,388.64 × 3,669,963.40
  4. Step 4: Simplify right side
    6,386,742.28x = 32,341,143,753,344.80
  5. Step 5: Solve for x
    x = 32,341,143,753,344.80/6,386,742.28
  6. Step 6: Final answer
    x = 5,063,793.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.